Number of (n+1)X(3+1) 0..2 arrays with every element both >= and <= some horizontal or antidiagonal neighbor.
A232252
Number of (n+1)X(3+1) 0..2 arrays with every element both >= and <= some horizontal or antidiagonal neighbor.
Terms
- a(0) =215a(1) =6189a(2) =175431a(3) =4987471a(4) =141815403a(5) =4032714105a(6) =114676900023
External references
- oeis: A232252